S
M
T
W
T
F
S
26
86°
72°
27
86°
75°
28
85°
74°
29
86°
73°
30
85°
68°
1
69°
55°
2
73°
54°
3
78°
48°
4
77°
50°
5
82°
61°
6
85°
74°
7
78°
65°
8
79°
72°
9
81°
70°
10
85°
67°
11
82°
59°
12
83°
60°
13
83°
65°
14
85°
67°
15
82°
71°
16
84°
71°
17
83°
70°
18
85°
72°
19
84°
70°
20
87°
74°
21
84°
70°
22
84°
71°
23
83°
71°
24
85°
70°
25
84°
71°
26
84°
71°
27
83°
72°
28
83°
72°
29
84°
71°
30
84°
71°
31
85°
70°
1
84°
70°
2
84°
73°
3
83°
72°
4
82°
73°
5
84°
73°
6
85°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Erath
Erath's May 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 59° and 74°. The average high for May is 83° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Erath. See also: June | July | August.